diff options
Diffstat (limited to 'include/asm-mips/addrspace.h')
| -rw-r--r-- | include/asm-mips/addrspace.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h index 0d1bf32..1fd00cc 100644 --- a/include/asm-mips/addrspace.h +++ b/include/asm-mips/addrspace.h @@ -40,6 +40,18 @@ #define PHYSADDR(a) ((a) & 0x1fffffff) #endif +/* + * Returns the uncached address of a sdram address + */ +#ifndef __ASSEMBLY__ +#ifdef CONFIG_AU1X00 +/* We use a 36 bit physical address map here and + cannot access physical memory directly from core */ +#define UNCACHED_SDRAM(a) (((unsigned long)(a)) | 0x20000000) +#else /* !CONFIG_AU1X00 */ +#define UNCACHED_SDRAM(a) PHYSADDR(a) +#endif /* CONFIG_AU1X00 */ +#endif /* __ASSEMBLY__ */ /* * Map an address to a certain kernel segment */ |